Color-Pro Casting Resin (2 Gallons) Low Viscosity Casting Resin, Exhibits good impact resistance and strength. Semi-Clear and has an easy 1:1 mix ratio by Weight or Volume Color-Pro is Semi-Clear Making it Very Easy to Pigment Same Day Shipping This is a for 2 Gallons. You will recieve 1 gallon of side "A" and 1 gallon of side "B"